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<?php |
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namespace Softonic\GraphQL; |
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use Softonic\GraphQL\Config\MutationTypeConfig; |
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use Softonic\GraphQL\Mutation\Collection as MutationCollection; |
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use Softonic\GraphQL\Mutation\Item as MutationItem; |
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use Softonic\GraphQL\Mutation\MutationObject; |
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use Softonic\GraphQL\Query\Collection as QueryCollection; |
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use Softonic\GraphQL\Query\Item as QueryItem; |
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use Softonic\GraphQL\Query\ReadObject; |
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class MutationBuilder |
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{ |
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const SOURCE_ROOT_PATH = '.'; |
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/** |
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* @var array |
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*/ |
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private $config; |
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/** |
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* @var ReadObject |
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*/ |
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private $source; |
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/** |
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* @var MutationTypeConfig |
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*/ |
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private $mutationTypeConfig; |
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/** |
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* @param array<MutationTypeConfig> $config |
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*/ |
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public function __construct(array $config, ReadObject $source) |
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{ |
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$this->config = $config; |
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$this->source = $source; |
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} |
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public function build(): MutationObject |
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{ |
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$mutationVariables = []; |
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foreach ($this->config as $variableName => $mutationTypeConfig) { |
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$this->mutationTypeConfig = $mutationTypeConfig; |
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$path = self::SOURCE_ROOT_PATH; |
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$config = $this->mutationTypeConfig->get($path); |
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if ($config->type === MutationCollection::class) { |
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$arguments = []; |
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foreach ($this->source as $sourceItem) { |
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$mutationItemArguments = $this->generateMutationArguments($sourceItem, $path); |
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$arguments[] = new MutationItem($mutationItemArguments, $config->children); |
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} |
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$mutationVariables[$variableName] = new $config->type($arguments, $config->children); |
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} else { |
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$arguments = $this->generateMutationArguments($this->source, $path); |
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$mutationVariables[$variableName] = new $config->type($arguments, $config->children); |
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} |
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} |
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return new MutationItem($mutationVariables, $this->config); |
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} |
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private function generateMutationArguments(QueryItem $source, string $path): array |
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{ |
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$arguments = []; |
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foreach ($source as $sourceKey => $sourceValue) { |
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// Having a property that is an item is not handled. |
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if ($sourceValue instanceof QueryCollection) { |
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$childPath = $this->createPathFromParent($path, $sourceKey); |
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$childConfig = $this->mutationTypeConfig->get($childPath); |
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$arguments[$sourceKey] = $this->mutateChild($childConfig, $sourceValue, $childPath); |
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} else { |
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$arguments[$sourceKey] = $sourceValue; |
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} |
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} |
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return $arguments; |
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} |
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private function createPathFromParent(string $parent, string $child): string |
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{ |
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return ('.' === $parent) ? ".{$child}" : "{$parent}.{$child}"; |
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} |
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private function mutateChild( |
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MutationTypeConfig $config, |
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QueryCollection $sourceCollection, |
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string $path |
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): MutationObject { |
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$arguments = []; |
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if (is_null($config->linksTo)) { |
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foreach ($config->children as $key => $childConfig) { |
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$childPath = $this->createPathFromParent($path, $key); |
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$arguments[$key] = $this->mutateChild($childConfig, $sourceCollection, $childPath); |
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} |
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} else { |
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foreach ($sourceCollection as $sourceItem) { |
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$itemArguments = $this->generateMutationArguments($sourceItem, $path); |
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$arguments[] = new MutationItem($itemArguments, $config->children); |
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} |
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} |
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return new $config->type($arguments, $config->children); |
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} |
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} |
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